Alert archive / Wyoming / Winter Storm Warnings in 2015

Winter Storm Warning 5, NWS Cheyenne, WY

March 1, 20156 counties in Wyoming

NWS Cheyenne, WY issued this winter storm warning at Mar 1, 2015, 2:31 PM MST for 6 counties in Wyoming. It took effect at Mar 2, 2015, 5:00 AM MST. It was in force for 40 hr. 60 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 1, 2015, 2:31 PM MST (21:31 UTC)
In effect from
Mar 2, 2015, 5:00 AM MST
Expired
Mar 3, 2015, 9:00 PM MST
In force
40 hr
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY, Converse County, WY, Laramie County, WY, Niobrara County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 119 km from the middle of the area, began a volume at 21:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Mar 2, 7:32 PM MSTSNOW 325 W Esterbrook, WYLA PRELE CREEK SNOTEL IN THE LARAMIE RANGE. ELEVATION 8375 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 8 TO 1. ACCUMULATION WAS OVER PAST 6 HOURS.
Mar 2, 7:32 PM MSTSNOW 710 Ssw Arlington, WYSAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050 FEET. SNOW WATER EQUIVALENT IS 0.6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 7:32 PM MSTSNOW 820 Wnw Encampment, WYDIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8880 FEET. SNOW WATER EQUIVALENT IS 0.8 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 10 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 7:32 PM MSTSNOW 87 Nw Centennial, WYBROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240 FEET. SNOW WATER EQUIVALENT IS 0.8 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 10 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 7:32 PM MSTSNOW 8.512 W Centennial, WYNORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 10130 FEET. SNOW WATER EQUIVALENT IS 0.7 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 7:32 PM MSTSNOW 910 Sw Encampment, WYLITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 0.9 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 10 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 7:32 PM MSTSNOW 1028 E Savery, WYWHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8950 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 10 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 7:32 PM MSTSNOW 108 Wsw Encampment, WYWEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 10 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 7:32 PM MSTHEAVY SNOW 1211 Sse Encampment, WYBLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 7:32 PM MSTHEAVY SNOW 1221 Sse Elk Mountain, WYMEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 7:32 PM MSTHEAVY SNOW 1310 Wsw Encampment, WYOLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 10000 FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 8:32 PM MSTSNOW 325 W Esterbrook, WYLA PRELE CREEK SNOTEL IN THE LARAMIE RANGE. ELEVATION 8375 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 8 TO 1. ACCUMULATION WAS OVER PAST 6 HOURS.
Mar 2, 8:32 PM MSTSNOW 7Sand Lake, WYSAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050 FEET. SNOW WATER EQUIVALENT IS 0.6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 8:32 PM MSTSNOW 8Brooklyn Lake, WYBROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240 FEET. SNOW WATER EQUIVALENT IS 0.8 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 10 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 8:32 PM MSTSNOW 8Divide Peak, WYDIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8880 FEET. SNOW WATER EQUIVALENT IS 0.8 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 10 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 8:32 PM MSTSNOW 8.5North French Creek, WYNORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 10130 FEET. SNOW WATER EQUIVALENT IS 0.7 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 8:32 PM MSTSNOW 9Little Snake River, WYLITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 0.9 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 10 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 8:32 PM MSTSNOW 10Webber Springs, WYWEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 10 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 8:32 PM MSTHEAVY SNOW 1211 Sse Encampment, WYBLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 8:32 PM MSTHEAVY SNOW 12Medicine Bow, WYMEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 2, 8:32 PM MSTHEAVY SNOW 13Old Battle, WYOLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 10000 FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Mar 3, 2:00 AM MSTSNOW 4Wheatland, WY3 TO 4 INCHES. HEAVY SNOW FALLING CURRENTLY.
Mar 3, 2:00 AM MSTSNOW 5Douglas, WY
Mar 3, 2:00 AM MSTSNOW 5Lusk, WY4 TO 5 INCHES. STRONG WINDS PRODUCING SOME POWER OUTAGES. PEAK GUST ON AIRPORT AWOS OF 36 MPH.
Mar 3, 2:00 AM MSTSNOW 5Rawlins, WY
Mar 3, 3:00 AM MSTSNOW 4Wheatland, WY3 TO 4 INCHES. HEAVY SNOW FALLING CURRENTLY.
Mar 3, 3:00 AM MSTSNOW 5Douglas, WY
Mar 3, 3:00 AM MSTSNOW 5Lusk, WY4 TO 5 INCHES. STRONG WINDS PRODUCING SOME POWER OUTAGES. PEAK GUST ON AIRPORT AWOS OF 36 MPH.
Mar 3, 3:00 AM MSTSNOW 5Rawlins, WY
Mar 3, 5:00 AM MSTSNOW 4.5Shirley Basin, WY
Mar 3, 6:00 AM MSTSNOW 0.52 S Cheyenne, WY
Mar 3, 6:00 AM MSTSNOW 19 E Cheyenne, WY
Mar 3, 6:00 AM MSTSNOW 1.43 Nw Burns, WY
Mar 3, 6:00 AM MSTSNOW 1.6Nne Laramie, WY
Mar 3, 6:00 AM MSTSNOW 210 N Cheyenne, WY
Mar 3, 6:00 AM MSTSNOW 23 Ese Laramie, WY
Mar 3, 6:00 AM MSTSNOW 2Wheatland, WY
Mar 3, 6:00 AM MSTSNOW 2.317 Wnw Laramie, WY
Mar 3, 6:00 AM MSTSNOW 2.3Se Laramie, WY
Mar 3, 6:00 AM MSTSNOW 3Ne Medicine Bow, WY
Mar 3, 6:00 AM MSTSNOW 3.712 Ssw Glendo, WY
Mar 3, 6:00 AM MSTSNOW 413 Ssw Manville, WY
Mar 3, 6:00 AM MSTSNOW 45 S Guernsey, WY
Mar 3, 6:00 AM MSTSNOW 4.322 Nne Rolling Hills Es, WY
Mar 3, 6:00 AM MSTSNOW 4.5Shirley Basin, WY
Mar 3, 6:00 AM MSTSNOW 4.84 Sw Glendo, WY
Mar 3, 6:00 AM MSTSNOW 520 Wsw Warren Af Base, WY
Mar 3, 6:00 AM MSTSNOW 5.520 Sw Wheatland, WY
Mar 3, 6:00 AM MSTHEAVY SNOW 6.512 Nnw Lost Springs, WY
Mar 3, 6:00 AM MSTHEAVY SNOW 6.83 E Douglas, WY
Mar 3, 6:00 AM MSTHEAVY SNOW 7Sinclair, WY
Mar 3, 6:00 AM MSTHEAVY SNOW 7Sse Saratoga, WY
Mar 3, 6:00 AM MSTHEAVY SNOW 8.31 Sw Glenrock, WY
Mar 3, 6:00 AM MSTHEAVY SNOW 8.35 S Douglas, WY
Mar 3, 6:00 AM MSTHEAVY SNOW 10.14 Wsw Douglas, WY
Mar 3, 6:00 AM MSTHEAVY SNOW 12.4Sw Elk Mountain, WY
Mar 3, 6:00 AM MSTHEAVY SNOW 132 S Elk Mountain, WY
Mar 3, 6:30 AM MSTSNOW 3.4Sybille Research Unit, WY
Mar 3, 7:00 AM MSTSNOW 0.512 Sse Horse Creek, WY
Mar 3, 7:00 AM MSTSNOW 0.52 S Cheyenne, WY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 9.5 hours before the alert went out and 268 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 12:00Z on 2015-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2015-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
749 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

910 
WWUS45 KCYS 012131
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
231 PM MST SUN MAR 1 2015

...A WINTER STORM TO IMPACT SOUTHEAST WYOMING LATE MONDAY INTO 
TUESDAY...

.AN UPPER LEVEL DISTURBANCE WILL MOVE INTO THE CENTRAL ROCKIES
MONDAY. THIS DISTURBANCE WILL INTERACT WITH AN ARCTIC COLD
FRONT MONDAY NIGHT...PRODUCING WIDESPREAD SNOW ACROSS SOUTHEAST
WYOMING AND INTO THE NEBRASKA PANHANDLE. THE HIGHEST SNOW AMOUNTS
WILL LIKELY OCCUR ACROSS SOUTH CENTRAL WYOMING...ESPECIALLY INTO
THE SNOWY AND SIERRA MADRE RANGES WITH 2 FEET OF SNOW. GUSTY
NORTHERLY WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND
LOW VISIBILITIES...ESPECIALLY LATE MONDAY NIGHT INTO TUESDAY.
VERY COLD WIND CHILLS WILL DEVELOP TUESDAY NIGHT AS ARCTIC AIR
CONTINUES TO POUR INTO THE AREA.


WYZ111>114-021200-
/O.UPG.KCYS.WS.A.0004.150302T1200Z-150304T1200Z/
/O.NEW.KCYS.WS.W.0005.150302T1200Z-150304T0100Z/
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
INCLUDING THE CITIES OF...BAGGS...DIXON...SARATOGA...ENCAMPMENT...
RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING
231 PM MST SUN MAR 1 2015

...WINTER STORM WARNING IN EFFECT FROM 5 AM MONDAY TO 6 PM MST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
5 AM MONDAY TO 6 PM MST TUESDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* TIMING...SNOW WILL INCREASE ACROSS SOUTH CENTRAL WYOMING TONIGHT 
  AND BECOME WIDESPREAD MONDAY. SNOW MAY BE HEAVY AT TIMES. 

* TOTAL SNOW ACCUMULATIONS...2 FEET OF SNOW WILL FALL ACROSS OVER
  THE SNOWY AND SIERRA MADRE RANGES WITH LOCALLY HIGHER AMOUNTS. 6 TO
  12 INCHES OF SNOW WILL FALL IN SURROUNDING AREAS AND FOOTHILLS.

* WINDS/VISIBILITY...SOUTHWEST WINDS 10 TO 20 MPH MONDAY WILL TURN
  NORTHERLY AT 15 TO 25 MPH WITH HIGHER GUSTS MONDAY NIGHT. THE
  COMBINATION OF FALLING AND BLOWING SNOW WILL REDUCE VISIBILITIES
  TO LESS THAN A HALF MILE.

* IMPACTS...TRAVEL WILL BECOME VERY DIFFICULT DUE TO
  FALLING...BLOWING AND DRIFTING SNOW. ROADS WILL BECOME SNOW
  COVERED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...STAY
WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE THE
EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE POISONING.

&&

$$

WYZ104-105-109-110-021200-
/O.NEW.KCYS.WS.A.0005.150302T2200Z-150304T0100Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN
231 PM MST SUN MAR 1 2015

...WINTER STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
TUESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM MONDAY AFTERNOON THROUGH
TUESDAY AFTERNOON. 

* TIMING...SNOW WILL DEVELOP AND BECOME WIDESPREAD MONDAY
  AFTERNOON.

* TOTAL SNOW ACCUMULATIONS...6 TO 12 INCHES OF SNOW POSSIBLE WITH
  THE HIGHEST AMOUNTS ACROSS THE SHIRLEY...FERRIS...AND SEMINOLE
  MOUNTAINS.

* WINDS/VISIBILITY...SOUTHWEST WINDS 5 TO 15 MPH MONDAY TURNING
  NORTHERLY AT 20 TO 30 MPH MONDAY NIGHT. THE COMBINATION OF
  FALLING AND BLOWING SNOW WILL REDUCE VISIBILITIES TO LESS THAN A
  HALF MILE.

* IMPACTS...TRAVEL MAY BECOME DIFFICULT DUE TO FALLING...BLOWING
  AND DRIFTING SNOW. SLIPPERY AND SNOW COVERED ROADS ARE LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$
10 follow-up statements
204 
WWUS45 KCYS 021040
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
340 AM MST MON MAR 2 2015

...WINTER STORM TO IMPACT SOUTHEAST WYOMING AND THE NORTHERN
NEBRASKA PANHANDLE TODAY THROUGH TUESDAY NIGHT... 

.A STRONG LOW PRESSURE SYSTEM WILL MOVE INTO THE CENTRAL ROCKIES
TODAY. THIS DISTURBANCE WILL INTERACT WITH AN ARCTIC COLD FRONT
LATE TONIGHT...PRODUCING WIDESPREAD SNOW ACROSS SOUTHEAST WYOMING
AND THE WESTERN NEBRASKA PANHANDLE. THE HIGHEST SNOW AMOUNTS ARE
EXPECTED WEST OF THE LARAMIE RANGE...WITH UPWARDS OF 2 FEET OF
SNOW LIKELY FOR THE SNOWY AND SIERRA MADRE MOUNTAINS. GUSTY NORTH
WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND VERY LOW
VISIBILITIES...ESPECIALLY LATE TONIGHT INTO TUESDAY. DANGEROUSLY
COLD WIND CHILLS WILL DEVELOP TUESDAY NIGHT AS ARCTIC AIR SPILLS
INTO THE AREA. 

WYZ104-105-109-110-021845-
/O.UPG.KCYS.WS.A.0005.150302T2200Z-150304T0100Z/
/O.EXB.KCYS.WS.W.0005.150302T2200Z-150304T0100Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN
340 AM MST MON MAR 2 2015

...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO
6 PM MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
3 PM THIS AFTERNOON TO 6 PM MST TUESDAY. THE WINTER STORM WATCH IS
NO LONGER IN EFFECT.

* TIMING...SNOW WILL INCREASE IN COVERAGE AND INTENSITY THIS
  AFTERNOON AND CONTINUE THROUGH TUESDAY. THE HEAVIEST SNOW WILL
  FALL FROM LATE TONIGHT THROUGH EARLY TUESDAY MORNING. 

* TOTAL SNOW ACCUMULATIONS...6 TO 12 INCHES LOWER ELEVATIONS. 12
  TO 15 INCHES IN THE MOUNTAINS OF NORTHERN CARBON COUNTY. 

* WINDS/VISIBILITY...BECOMING NORTH 15 TO 25 MPH WITH GUSTS TO 35
  MPH LATE TONIGHT. THE COMBINATION OF FALLING AND BLOWING SNOW
  WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE AT TIMES.

* IMPACTS...TRAVEL WILL BECOME EXTREMELY DANGEROUS OR IMPOSSIBLE
  BY LATE TONIGHT. VISIBILITIES MAY BE SIGNIFICANTLY REDUCED WITH
  BLOWING AND DRIFTING SNOW LIKELY. ROADWAYS WILL LIKELY BECOME
  SLICK AND SNOW COVERED. ROAD CLOSURES ARE ALSO POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...STAY
WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE THE
EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE POISONING.

&&

$$

WYZ101-103-021845-
/O.EXB.KCYS.WS.W.0005.150302T2200Z-150304T0100Z/
CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK
340 AM MST MON MAR 2 2015

...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO
6 PM MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
3 PM THIS AFTERNOON TO 6 PM MST TUESDAY.

* TIMING...SNOW WILL INCREASE IN COVERAGE AND INTENSITY THIS
  AFTERNOON AND CONTINUE THROUGH TUESDAY. THE HEAVIEST SNOW WILL
  FALL FROM LATE TONIGHT THROUGH EARLY TUESDAY MORNING. 

* TOTAL SNOW ACCUMULATIONS...5 TO 10 INCHES LOWER ELEVATIONS. 12
  TO 15 INCHES IN THE NORTHERN LARAMIE RANGE...LOCALLY HIGHER ON
  NORTHEAST FACING SLOPES. 

* WINDS/VISIBILITY...BECOMING NORTH 15 TO 25 MPH WITH GUSTS TO 35
  MPH LATE TONIGHT. THE COMBINATION OF FALLING AND BLOWING SNOW
  WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE AT TIMES.

* IMPACTS...TRAVEL WILL BECOME EXTREMELY DANGEROUS OR IMPOSSIBLE
  BY LATE TONIGHT. VISIBILITIES MAY BE SIGNIFICANTLY REDUCED WITH
  BLOWING AND DRIFTING SNOW LIKELY. ROADWAYS WILL LIKELY BECOME
  SLICK AND SNOW COVERED. ROAD CLOSURES ARE ALSO POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...
STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE
THE EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE
POISONING.

&&

$$

WYZ111>114-021845-
/O.CON.KCYS.WS.W.0005.150302T1200Z-150304T0100Z/
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
INCLUDING THE CITIES OF...BAGGS...DIXON...SARATOGA...ENCAMPMENT...
RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING
340 AM MST MON MAR 2 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST
TUESDAY...

* TIMING...SNOW WILL INCREASE IN COVERAGE AND INTENSITY TODAY AND
  CONTINUE THROUGH TUESDAY. THE HEAVIEST SNOW WILL FALL FROM LATE
  TONIGHT THROUGH EARLY TUESDAY MORNING.

* TOTAL SNOW ACCUMULATIONS...UP TO 2 FEET IN THE SNOWY AND SIERRA
  MADRE MOUNTAIN RANGES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. 6 TO
  12 INCHES WILL FALL IN THE ADJACENT VALLEYS. 

* WINDS/VISIBILITY...BECOMING NORTH 15 TO 25 MPH WITH GUSTS TO 35
  MPH LATE TONIGHT. THE COMBINATION OF FALLING AND BLOWING SNOW
  WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE AT TIMES.

* IMPACTS...TRAVEL WILL BECOME EXTREMELY DANGEROUS OR IMPOSSIBLE
  BY LATE TONIGHT. VISIBILITIES MAY BE SIGNIFICANTLY REDUCED WITH
  BLOWING AND DRIFTING SNOW LIKELY. ROADWAYS WILL LIKELY BECOME
  SLICK AND SNOW COVERED. ROAD CLOSURES ARE ALSO POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...
STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE
THE EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE
POISONING.

&&

$$

NEZ002-003-095-096-WYZ102-106>108-115>117-021845-
/O.NEW.KCYS.WW.Y.0008.150303T0300Z-150304T0100Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-NIOBRARA COUNTY-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-LARAMIE VALLEY-
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
LUSK...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...
TORRINGTON...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
340 AM MST MON MAR 2 2015

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO
6 PM MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 8 PM THIS EVENING TO 6 PM MST TUESDAY.

* TIMING...SNOW WILL DEVELOP THIS EVENING AND CONTINUE THROUGH
  TUESDAY. 

* TOTAL SNOW ACCUMULATIONS...2 TO 5 INCHES...HIGHEST OVER THE
  SOUTH LARAMIE RANGE ALONG INTERSTATE 80. 

* WINDS/VISIBILITY...BECOMING NORTH 15 TO 25 MPH WITH GUSTS TO 35
  MPH LATE TONIGHT. THE COMBINATION OF FALLING AND BLOWING SNOW
  WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE AT TIMES.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS TONIGHT. VISIBILITIES MAY
  BE SIGNIFICANTLY REDUCED WITH BLOWING AND DRIFTING SNOW LIKELY.
  ROADWAYS WILL LIKELY BECOME SLICK AND SNOW COVERED. INTERSTATE
  80 BETWEEN LARAMIE AND CHEYENNE WILL BE IMPACTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS.

&&

$$

HAMMER
305 
WWUS45 KCYS 021614
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
914 AM MST MON MAR 2 2015

...WINTER STORM TO IMPACT SOUTHEAST WYOMING AND THE NORTHERN
NEBRASKA PANHANDLE TODAY THROUGH TUESDAY NIGHT...

.A STRONG LOW PRESSURE SYSTEM WILL MOVE INTO THE CENTRAL ROCKIES
TODAY. THIS DISTURBANCE WILL INTERACT WITH AN ARCTIC COLD FRONT
LATE TONIGHT...PRODUCING WIDESPREAD SNOW ACROSS SOUTHEAST WYOMING
AND THE WESTERN NEBRASKA PANHANDLE. THE HIGHEST SNOW AMOUNTS ARE
EXPECTED WEST OF THE LARAMIE RANGE...WITH UPWARDS OF 2 FEET OF
SNOW LIKELY FOR THE SNOWY AND SIERRA MADRE MOUNTAINS. GUSTY NORTH
WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND VERY LOW
VISIBILITIES...ESPECIALLY LATE TONIGHT INTO TUESDAY. DANGEROUSLY
COLD WIND CHILLS WILL DEVELOP TUESDAY NIGHT AS ARCTIC AIR SPILLS
INTO THE AREA.

WYZ104-105-109-110-030015-
/O.EXT.KCYS.WS.W.0005.150302T1614Z-150304T0100Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN
914 AM MST MON MAR 2 2015

...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 PM MST TUESDAY...

* TIMING...SNOW WILL BE WIDESPREAD TODAY AND WILL INCREASE IN
  INTENSITY INTO THIS AFTERNOON. SNOW WILL CONTINUE THROUGH
  TUESDAY AND WILL BE HEAVY AT TIMES THROUGH TONIGHT.

* TOTAL SNOW ACCUMULATIONS...8 TO 12 INCHES LOWER ELEVATIONS. 12
  TO 15 INCHES IN THE MOUNTAINS OF NORTHERN CARBON COUNTY.

* WINDS/VISIBILITY...BECOMING NORTH 15 TO 25 MPH WITH GUSTS TO 
  35 MPH LATE TONIGHT. THE COMBINATION OF FALLING AND BLOWING 
  SNOW WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE AT 
  TIMES. 

* IMPACTS...TRAVEL WILL BECOME EXTREMELY DANGEROUS OR IMPOSSIBLE 
  BY LATE TONIGHT. VISIBILITIES MAY BE SIGNIFICANTLY REDUCED 
  WITH BLOWING AND DRIFTING SNOW LIKELY. ROADWAYS WILL LIKELY 
  BECOME SLICK AND SNOW COVERED. ROAD CLOSURES ARE ALSO 
  POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...
STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE
THE EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE
POISONING.

&&

$$

WYZ111>114-030015-
/O.CON.KCYS.WS.W.0005.000000T0000Z-150304T0100Z/
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
INCLUDING THE CITIES OF...BAGGS...DIXON...SARATOGA...ENCAMPMENT...
RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING
914 AM MST MON MAR 2 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST
TUESDAY...

* TIMING...SNOW...HEAVY AT TIMES WILL CONTINUE THROUGH TONIGHT
  BEFORE TAPERING OFF TUESDAY MORNING.

* TOTAL SNOW ACCUMULATIONS...UP TO 2 FEET IN THE SNOWY AND 
  SIERRA MADRE MOUNTAIN RANGES WITH LOCALLY HIGHER AMOUNTS 
  POSSIBLE. 6 TO 12 INCHES WILL FALL IN THE ADJACENT VALLEYS. 

* WINDS/VISIBILITY...BECOMING NORTH 15 TO 25 MPH WITH GUSTS TO 
  35 MPH LATE TONIGHT. THE COMBINATION OF FALLING AND BLOWING 
  SNOW WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE AT 
  TIMES. 

* IMPACTS...TRAVEL WILL BECOME EXTREMELY DANGEROUS OR IMPOSSIBLE 
  BY LATE TONIGHT. VISIBILITIES MAY BE SIGNIFICANTLY REDUCED 
  WITH BLOWING AND DRIFTING SNOW LIKELY. ROADWAYS WILL LIKELY 
  BECOME SLICK AND SNOW COVERED. ROAD CLOSURES ARE ALSO 
  POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...
STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE
THE EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE
POISONING.

&&

$$

WYZ101-103-030015-
/O.CON.KCYS.WS.W.0005.150302T2200Z-150304T0100Z/
CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK
914 AM MST MON MAR 2 2015

...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 6 PM MST TUESDAY...

* TIMING...SNOW WILL INCREASE IN COVERAGE AND INTENSITY THIS 
  AFTERNOON AND CONTINUE THROUGH TUESDAY. THE HEAVIEST SNOW WILL 
  FALL FROM LATE TONIGHT THROUGH EARLY TUESDAY MORNING. 

* TOTAL SNOW ACCUMULATIONS...5 TO 10 INCHES LOWER ELEVATIONS. 12 
  TO 15 INCHES IN THE NORTHERN LARAMIE RANGE...LOCALLY HIGHER ON 
  NORTHEAST FACING SLOPES. 

* WINDS/VISIBILITY...BECOMING NORTH 15 TO 25 MPH WITH GUSTS TO 
  35 MPH LATE TONIGHT. THE COMBINATION OF FALLING AND BLOWING 
  SNOW WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE AT 
  TIMES. 

* IMPACTS...TRAVEL WILL BECOME EXTREMELY DANGEROUS OR IMPOSSIBLE 
  BY LATE TONIGHT. VISIBILITIES MAY BE SIGNIFICANTLY REDUCED 
  WITH BLOWING AND DRIFTING SNOW LIKELY. ROADWAYS WILL LIKELY 
  BECOME SLICK AND SNOW COVERED. ROAD CLOSURES ARE ALSO 
  POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...
STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE
THE EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE
POISONING.

&&

$$

NEZ002-003-095-096-WYZ102-106>108-115>117-030015-
/O.CON.KCYS.WW.Y.0008.150303T0300Z-150304T0100Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-NIOBRARA COUNTY-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-LARAMIE VALLEY-
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
LUSK...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...
TORRINGTON...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
914 AM MST MON MAR 2 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS
EVENING TO 6 PM MST TUESDAY...

* TIMING...SNOW WILL DEVELOP THIS EVENING AND CONTINUE THROUGH 
  TUESDAY. 

* TOTAL SNOW ACCUMULATIONS...2 TO 5 INCHES...HIGHEST OVER THE 
  SOUTH LARAMIE RANGE ALONG INTERSTATE 80. 

* WINDS/VISIBILITY...BECOMING NORTH 15 TO 25 MPH WITH GUSTS TO 
  35 MPH LATE TONIGHT. THE COMBINATION OF FALLING AND BLOWING 
  SNOW WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE AT 
  TIMES. 

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS TONIGHT. VISIBILITIES 
  MAY BE SIGNIFICANTLY REDUCED WITH BLOWING AND DRIFTING SNOW 
  LIKELY. ROADWAYS WILL LIKELY BECOME SLICK AND SNOW COVERED. 
  INTERSTATE 80 BETWEEN LARAMIE AND CHEYENNE WILL BE IMPACTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS.

&&

$$
410 
WWUS45 KCYS 022247
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
347 PM MST MON MAR 2 2015

...WINTER STORM TO IMPACT SOUTHEAST WYOMING AND THE NORTHERN
NEBRASKA PANHANDLE INTO TUESDAY...

.A STRONG LOW PRESSURE SYSTEM WILL MOVE ACROSS THE ROCKIES TONIGHT.
THIS DISTURBANCE WILL INTERACT WITH AN ARCTIC COLD FRONT LATE
TONIGHT...PRODUCING WIDESPREAD SNOW ACROSS SOUTHEAST WYOMING AND
THE WESTERN NEBRASKA PANHANDLE. THE HIGHEST SNOW AMOUNTS ARE
EXPECTED WEST OF THE LARAMIE RANGE...WITH UPWARDS OF 2 FEET OF
SNOW LIKELY FOR THE SNOWY AND SIERRA MADRE MOUNTAINS. GUSTY NORTH
WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND VERY LOW
VISIBILITIES...ESPECIALLY LATE TONIGHT INTO TUESDAY. DANGEROUSLY
COLD WIND CHILLS WILL DEVELOP TUESDAY NIGHT AS ARCTIC AIR SPILLS
INTO THE AREA.

WYZ104-105-109>114-030700-
/O.CON.KCYS.WS.W.0005.000000T0000Z-150304T0100Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON...
SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY...
WOODS LANDING
347 PM MST MON MAR 2 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST
TUESDAY...

* TIMING...SNOW WILL BE WIDESPREAD TONIGHT AND INTO TUESDAY. SNOW
  WILL BE HEAVY AT TIMES THROUGH TONIGHT.

* TOTAL SNOW ACCUMULATIONS...8 TO 12 INCHES LOWER ELEVATIONS. 12
  TO 15 INCHES IN THE MOUNTAINS OF NORTHERN CARBON COUNTY.

* WINDS/VISIBILITY...BECOMING NORTH 15 TO 25 MPH WITH GUSTS TO 
  35 MPH LATE TONIGHT. THE COMBINATION OF FALLING AND BLOWING 
  SNOW WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE AT 
  TIMES. 

* IMPACTS...TRAVEL WILL BECOME EXTREMELY DANGEROUS TONIGHT.
  VISIBILITIES MAY BE SIGNIFICANTLY REDUCED WITH BLOWING AND
  DRIFTING SNOW LIKELY. ROADWAYS WILL LIKELY BECOME SLICK AND SNOW
  COVERED. ROAD CLOSURES ARE ALSO POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...
STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE
THE EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE
POISONING.

&&

$$

WYZ101-103-030700-
/O.CON.KCYS.WS.W.0005.000000T0000Z-150304T0100Z/
CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK
347 PM MST MON MAR 2 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST
TUESDAY...

* TIMING...SNOW WILL BECOME WIDESPREAD THIS EVENING AND CONTINUE
  INTO TUESDAY. THE HEAVIEST SNOW WILL FALL TONIGHT.

* TOTAL SNOW ACCUMULATIONS...5 TO 10 INCHES LOWER ELEVATIONS.
  AROUND 12 INCHES IN THE NORTHERN LARAMIE RANGE...LOCALLY HIGHER
  ON NORTHEAST FACING SLOPES.

* WINDS/VISIBILITY...BECOMING NORTH 15 TO 25 MPH WITH GUSTS TO 
  35 MPH LATE TONIGHT. THE COMBINATION OF FALLING AND BLOWING 
  SNOW WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE AT 
  TIMES. 

* IMPACTS...TRAVEL WILL BECOME EXTREMELY DANGEROUS TONIGHT.
  VISIBILITIES MAY BE SIGNIFICANTLY REDUCED WITH BLOWING AND
  DRIFTING SNOW LIKELY. ROADWAYS WILL LIKELY BECOME SLICK AND SNOW
  COVERED. ROAD CLOSURES ARE ALSO POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...
STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE
THE EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE
POISONING.

&&

$$

NEZ002-003-095-096-WYZ102-106>108-115>117-030700-
/O.CON.KCYS.WW.Y.0008.150303T0300Z-150304T0100Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-NIOBRARA COUNTY-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-LARAMIE VALLEY-
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
LUSK...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...
TORRINGTON...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
347 PM MST MON MAR 2 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS
EVENING TO 6 PM MST TUESDAY...

* TIMING...SNOW WILL DEVELOP THIS EVENING AND CONTINUE THROUGH 
  TUESDAY. 

* TOTAL SNOW ACCUMULATIONS...2 TO 5 INCHES...HIGHEST OVER THE 
  SOUTH LARAMIE RANGE ALONG INTERSTATE 80. 

* WINDS/VISIBILITY...BECOMING NORTH 15 TO 25 MPH WITH GUSTS TO 
  35 MPH LATE TONIGHT. THE COMBINATION OF FALLING AND BLOWING 
  SNOW WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE AT 
  TIMES. 

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS TONIGHT. VISIBILITIES 
  MAY BE SIGNIFICANTLY REDUCED WITH BLOWING AND DRIFTING SNOW 
  LIKELY. ROADWAYS WILL LIKELY BECOME SLICK AND SNOW COVERED. 
  INTERSTATE 80 BETWEEN LARAMIE AND CHEYENNE WILL BE IMPACTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS.

&&

$$
490 
WWUS45 KCYS 030409
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
909 PM MST MON MAR 2 2015

...WINTER STORM TO IMPACT SOUTHEAST WYOMING AND THE NORTHERN
NEBRASKA PANHANDLE INTO TUESDAY...

.A STRONG LOW PRESSURE SYSTEM WILL MOVE ACROSS THE ROCKIES
TONIGHT. THIS DISTURBANCE WILL INTERACT WITH AN ARCTIC COLD FRONT
LATE TONIGHT...PRODUCING WIDESPREAD SNOW ACROSS SOUTHEAST WYOMING
AND THE WESTERN NEBRASKA PANHANDLE. THE HIGHEST SNOW AMOUNTS ARE
EXPECTED WEST OF THE LARAMIE RANGE...WITH UPWARDS OF 2 FEET OF
SNOW LIKELY FOR THE SNOWY AND SIERRA MADRE MOUNTAINS. GUSTY NORTH
WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND VERY LOW
VISIBILITIES...ESPECIALLY LATE TONIGHT INTO TUESDAY. DANGEROUSLY
COLD WIND CHILLS WILL DEVELOP TUESDAY NIGHT AS ARCTIC AIR SPILLS
INTO THE AREA.

WYZ104-105-109>114-031245-
/O.CON.KCYS.WS.W.0005.000000T0000Z-150304T0100Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON...
SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY...
WOODS LANDING
909 PM MST MON MAR 2 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST
TUESDAY...

* TIMING...SNOW WILL BE WIDESPREAD TONIGHT AND INTO TUESDAY. 
  SNOW WILL BE HEAVY AT TIMES THROUGH TONIGHT. 

* TOTAL SNOW ACCUMULATIONS...8 TO 12 INCHES LOWER ELEVATIONS. 12 
  TO 15 INCHES IN THE MOUNTAINS OF NORTHERN CARBON COUNTY. 

* WINDS/VISIBILITY...BECOMING NORTH 15 TO 25 MPH WITH GUSTS TO 
  35 MPH LATE TONIGHT. THE COMBINATION OF FALLING AND BLOWING 
  SNOW WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE AT 
  TIMES. 

* IMPACTS...TRAVEL WILL BECOME EXTREMELY DANGEROUS TONIGHT. 
  VISIBILITIES MAY BE SIGNIFICANTLY REDUCED WITH BLOWING AND 
  DRIFTING SNOW LIKELY. ROADWAYS WILL LIKELY BECOME SLICK AND 
  SNOW COVERED. ROAD CLOSURES ARE ALSO POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...
STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE
THE EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE
POISONING.

&&

$$

WYZ101-103-031245-
/O.CON.KCYS.WS.W.0005.000000T0000Z-150304T0100Z/
CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK
909 PM MST MON MAR 2 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST
TUESDAY...

* TIMING...SNOW WILL BECOME WIDESPREAD THIS EVENING AND CONTINUE 
  INTO TUESDAY. THE HEAVIEST SNOW WILL FALL TONIGHT. 

* TOTAL SNOW ACCUMULATIONS...5 TO 10 INCHES LOWER ELEVATIONS. 
  AROUND 12 INCHES IN THE NORTHERN LARAMIE RANGE...LOCALLY 
  HIGHER ON NORTHEAST FACING SLOPES. 

* WINDS/VISIBILITY...BECOMING NORTH 15 TO 25 MPH WITH GUSTS TO 
  35 MPH LATE TONIGHT. THE COMBINATION OF FALLING AND BLOWING 
  SNOW WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE AT 
  TIMES. 

* IMPACTS...TRAVEL WILL BECOME EXTREMELY DANGEROUS TONIGHT. 
  VISIBILITIES MAY BE SIGNIFICANTLY REDUCED WITH BLOWING AND 
  DRIFTING SNOW LIKELY. ROADWAYS WILL LIKELY BECOME SLICK AND 
  SNOW COVERED. ROAD CLOSURES ARE ALSO POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...
STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE
THE EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE
POISONING.

&&

$$

NEZ002-003-095-096-WYZ102-106>108-115>117-031245-
/O.CON.KCYS.WW.Y.0008.000000T0000Z-150304T0100Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-NIOBRARA COUNTY-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-LARAMIE VALLEY-
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
LUSK...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...
TORRINGTON...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
909 PM MST MON MAR 2 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST
TUESDAY...

* TIMING...SNOW WILL DEVELOP THIS EVENING AND CONTINUE THROUGH 
  TUESDAY. 

* TOTAL SNOW ACCUMULATIONS...2 TO 5 INCHES...HIGHEST OVER THE 
  SOUTH LARAMIE RANGE ALONG INTERSTATE 80. 

* WINDS/VISIBILITY...BECOMING NORTH 15 TO 25 MPH WITH GUSTS TO 
  35 MPH LATE TONIGHT. THE COMBINATION OF FALLING AND BLOWING 
  SNOW WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE AT 
  TIMES. 

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS TONIGHT. VISIBILITIES 
  MAY BE SIGNIFICANTLY REDUCED WITH BLOWING AND DRIFTING SNOW 
  LIKELY. ROADWAYS WILL LIKELY BECOME SLICK AND SNOW COVERED. 
  INTERSTATE 80 BETWEEN LARAMIE AND CHEYENNE WILL BE IMPACTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS.

&&

$$
461 
WWUS45 KCYS 031108
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
408 AM MST TUE MAR 3 2015

...WINTER STORM TO CONTINUE THROUGH THIS EVENING... 

.A STRONG LOW PRESSURE SYSTEM WILL CONTINUE TO MOVE ACROSS THE
CENTRAL ROCKIES TODAY. THIS DISTURBANCE HAS ALREADY INTERACTED
WITH AN ARCTIC COLD FRONT MOVING QUICKLY SOUTHWARD...PRODUCING
WIDESPREAD SNOW OVER SOUTHEAST WYOMING AND THE WESTERN NEBRASKA
PANHANDLE. THE HEAVIEST SNOW WILL PERSIST IN THE MOUNTAINS AND
LOWER ELEVATIONS OF CARBON...CONVERSE AND NIOBRARA COUNTIES
THROUGH MID MORNING. A GENERAL LULL IN HEAVIER SNOWFALL SHOULD
OCCUR THIS AFTERNOON BEFORE A SECOND WEATHER DISTURBANCE AND
LOCALIZED UPSLOPE FLOW RESULTS IN ANOTHER ROUND OF ACCUMULATING
SNOW BY LATE THIS AFTERNOON AND EVENING ALONG THE LARAMIE RANGE
AND ADJACENT FOOTHILLS. GUSTY NORTH WINDS WILL CREATE AREAS OF
SIGNIFICANT BLOWING AND DRIFTING SNOW AND VERY LOW VISIBILITY...
ESPECIALLY DURING THE MORNING. DANGEROUSLY COLD WIND CHILLS ARE
STILL EXPECTED TO DEVELOP EARLY WEDNESDAY MORNING AS ARCTIC AIR
SPILLS INTO THE AREA.

WYZ102-106-107-040000-
/O.UPG.KCYS.WW.Y.0008.000000T0000Z-150304T0100Z/
/O.EXB.KCYS.WS.W.0005.000000T0000Z-150304T0700Z/
NIOBRARA COUNTY-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-
INCLUDING THE CITIES OF...LUSK...BORDEAUX...GLENDO...WHEATLAND...
CHUGWATER...GUERNSEY
408 AM MST TUE MAR 3 2015

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MST TONIGHT...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
UNTIL MIDNIGHT MST TONIGHT. THE WINTER WEATHER ADVISORY IS NO
LONGER IN EFFECT.

* TIMING...PERIODS OF MODERATE TO HEAVY SNOW WILL CONTINUE THIS
  MORNING ALONG WITH GUSTY NORTH WINDS. CONDITIONS WILL IMPROVE
  DURING THE DAY WITH ADDITIONAL SNOWFALL LIKELY BY LATE THIS
  AFTERNOON AND EVENING.

* TOTAL SNOW ACCUMULATIONS...5 TO 7 INCHES. 

* WINDS/VISIBILITY...NORTH 20 TO 30 MPH WITH GUSTS TO 45 MPH.
  VISIBILITIES WILL BE REDUCED TO LESS THAN A QUARTER MILE AT
  TIMES IN FALLING AND BLOWING SNOW IN THE MORNING. 

* IMPACTS...TRAVEL WILL BE EXTREMELY DANGEROUS THIS MORNING.
  ROADWAYS WILL LIKELY BE SLICK AND SNOW COVERED ALONG WITH AREAS
  OF VERY LOW VISIBILITY. INTERSTATE 25 BETWEEN CHUGWATER AND
  DOUGLAS WILL BE SIGNIFICANTLY IMPACTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...STAY
WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE THE
EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE POISONING.

&&

$$

WYZ101-103>105-109>111-113-040000-
/O.EXT.KCYS.WS.W.0005.000000T0000Z-150304T0700Z/
CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
SOUTHWEST CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP...
MEDICINE BOW...RAWLINS...SINCLAIR...HANNA...ARLINGTON...
ELK MOUNTAIN...BAGGS...DIXON...SARATOGA...ENCAMPMENT...RIVERSIDE
408 AM MST TUE MAR 3 2015

...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* TIMING...PERIODS OF MODERATE TO HEAVY SNOW WILL CONTINUE THIS
  MORNING ALONG WITH GUSTY NORTH WINDS. CONDITIONS WILL IMPROVE
  DURING THE DAY WITH ADDITIONAL SNOWFALL LIKELY BY LATE THIS
  AFTERNOON AND EVENING.

* TOTAL SNOW ACCUMULATIONS...5 TO 10 INCHES LOWER ELEVATIONS WITH
  AROUND A FOOT IN THE NORTHERN LARAMIE RANGE. HIGHER AMOUNTS ARE
  POSSIBLE ON NORTH FACING SLOPES. 

* WINDS/VISIBILITY...NORTH 20 TO 30 MPH WITH GUSTS TO 45 MPH.
  VISIBILITIES WILL BE REDUCED TO LESS THAN A QUARTER MILE AT
  TIMES IN FALLING AND BLOWING SNOW IN THE MORNING. 

* IMPACTS...TRAVEL WILL BE EXTREMELY DANGEROUS THIS MORNING.
  ROADWAYS WILL LIKELY BE SLICK AND SNOW COVERED ALONG WITH AREAS
  OF VERY LOW VISIBILITY. INTERSTATE 80 WILL BE SEVERELY IMPACTED
  BETWEEN LARAMIE AND RAWLINS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...
STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE
THE EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE
POISONING.

&&

$$

WYZ112-114-040000-
/O.EXT.KCYS.WS.W.0005.000000T0000Z-150304T0700Z/
SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING
408 AM MST TUE MAR 3 2015

...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* TIMING...PERIODS OF HEAVY SNOW WILL PERSIST THROUGH THIS
  EVENING. 

* TOTAL SNOW ACCUMULATIONS...AROUND 2 FEET IN THE SNOWY AND SIERRA
  MADRE MOUNTAINS. 

* WINDS/VISIBILITY...NORTH 20 TO 30 MPH WITH GUSTS TO 45 MPH.
  VISIBILITIES WILL BE REDUCED TO LESS THAN A QUARTER MILE AT
  TIMES IN FALLING AND BLOWING SNOW IN THE MORNING. 

* IMPACTS...TRAVEL WILL BE EXTREMELY DANGEROUS THIS MORNING.
  ROADWAYS WILL LIKELY BE SLICK AND SNOW COVERED ALONG WITH AREAS
  OF VERY LOW VISIBILITY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...
STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE
THE EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE
POISONING.

&&

$$

NEZ002-003-095-096-WYZ108-115>117-040000-
/O.EXT.KCYS.WW.Y.0008.000000T0000Z-150304T0700Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-GOSHEN COUNTY-
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
TORRINGTON...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
408 AM MST TUE MAR 3 2015

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE THIS
  MORNING ALONG WITH GUSTY NORTH WINDS. CONDITIONS WILL IMPROVE
  DURING THE DAY WITH ADDITIONAL SNOWFALL LIKELY BY LATE THIS
  AFTERNOON AND EVENING.

* TOTAL SNOW ACCUMULATIONS...2 TO 5 INCHES...HIGHEST OVER THE 
  SOUTH LARAMIE RANGE ALONG INTERSTATE 80. 

* WINDS/VISIBILITY...NORTH 20 TO 30 MPH WITH GUSTS TO 45 MPH.
  VISIBILITIES WILL BE REDUCED TO LESS THAN A HALF MILE AT TIMES
  IN FALLING AND BLOWING SNOW IN THE MORNING.

* IMPACTS...TRAVEL WILL BE HAZARDOUS THIS MORNING. ROADWAYS WILL
  LIKELY BE SLICK AND SNOW COVERED ALONG WITH AREAS OF VERY LOW
  VISIBILITY. INTERSTATE 80 BETWEEN LARAMIE AND CHEYENNE WILL BE
  IMPACTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS.

&&

$$

HAMMER
590 
WWUS45 KCYS 031741
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1041 AM MST TUE MAR 3 2015

...WINTER CONDITIONS TO CONTINUE THROUGH THIS EVENING...

.A GENERAL LULL IN THE SNOWFALL WILL END THIS AFTERNOON AS SECOND
WEATHER DISTURBANCE MOVES ACROSS THE AREA PRODUCING ANOTHER ROUND
SNOW ACCUMULATIONS. ADDITIONAL SNOW ACCUMULATIONS TODAY AND
TONIGHT WILL GENERALLY BE MINIMAL WITH LESS THAN 2 INCHES FOR MOST
LOCATIONS OUTSIDE OF THE MOUNTAINS. GUSTY NORTH WINDS WILL CREATE
BLOWING AND DRIFTING SNOW AND REDUCED VISIBILITIES AT TIMES.
DANGEROUSLY COLD WIND CHILLS WILL DEVELOP TONIGHT AND CONTINUE
THROUGH MUCH OF WEDNESDAY MORNING AS ARCTIC AIR CONTINUES TO SPILL
INTO THE AREA.

WYZ101>107-109>111-113-040600-
/O.CAN.KCYS.WS.W.0005.000000T0000Z-150304T0700Z/
/O.EXA.KCYS.WW.Y.0008.000000T0000Z-150304T0700Z/
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY-
UPPER NORTH PLATTE RIVER BASIN-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...MUDDY GAP...
MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...
GUERNSEY...RAWLINS...SINCLAIR...HANNA...ARLINGTON...
ELK MOUNTAIN...BAGGS...DIXON...SARATOGA...ENCAMPMENT...RIVERSIDE
1041 AM MST TUE MAR 3 2015

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT MST TONIGHT...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
UNTIL MIDNIGHT MST TONIGHT. THE WINTER STORM WARNING HAS BEEN
CANCELLED.

* TIMING...LIGHT SNOW SHOWERS WILL BECOME MORE WIDESPREAD THIS
  AFTERNOON. SNOW WILL END THIS EVENING. 

* ADDITIONAL SNOW ACCUMULATIONS...MAINLY AROUND 1 INCH...WITH 2 TO
  3 INCHES INTO THE MOUNTAINS.

* WINDS/VISIBILITY...NORTH 10 TO 15 WITH GUSTS UP TO 25 MPH.
  VISIBILITIES WILL BE REDUCED AT TIMES.

* IMPACTS...TRAVEL WILL REMAIN DIFFICULT DUE TO ICY ROADWAYS AND
  BLOWING AND DRIFTING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS.

&&

$$

WYZ112-114-040600-
/O.CON.KCYS.WS.W.0005.000000T0000Z-150304T0700Z/
SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING
1041 AM MST TUE MAR 3 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* TIMING...SNOW WILL AGAIN INTENSIFY THIS AFTERNOON AND END THIS
  EVENING.

* ADDITIONAL SNOW ACCUMULATIONS...3 TO 6 INCHES.

* WINDS/VISIBILITY...NORTH 10 TO 20 MPH WITH GUSTS TO 30 MPH.
  VISIBILITIES WILL BE REDUCED DUE TO BLOWING SNOW.

* IMPACTS...TRAVEL WILL BE DANGEROUS. ROADWAYS WILL BE SNOW
  COVERED ALONG WITH AREAS OF LOW VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...
STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE
THE EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE
POISONING.

&&

$$

NEZ002-003-095-096-WYZ108-115>117-040600-
/O.CON.KCYS.WW.Y.0008.000000T0000Z-150304T0700Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-GOSHEN COUNTY-
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
TORRINGTON...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
1041 AM MST TUE MAR 3 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* TIMING...PERIODS OF LIGHT SNOW WILL CONTINUE TODAY ALONG WITH
  GUSTY NORTH WINDS. THE MAIN CHANCES FOR ADDITIONAL SNOW
  ACCUMULATIONS WILL BE THIS AFTERNOON. 

* ADDITIONAL SNOW ACCUMULATIONS...MAINLY AROUND 1 INCH.

* WINDS/VISIBILITY...NORTH 10 TO 15 MPH WITH GUSTS TO 25 MPH.
  VISIBILITIES WILL BE REDUCED AT TIMES IN FALLING AND BLOWING
  SNOW.

* IMPACTS...TRAVEL WILL BE DIFFICULT DUE TO SNOW COVERED AND
  SLIPPERY ROADWAYS AS WELL AS REDUCED VISIBILITIES AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS.

&&

$$
435 
WWUS45 KCYS 032206
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
306 PM MST TUE MAR 3 2015

...SNOW ENDING THIS EVENING BUT COLD WIND CHILLS TO CONTINUE...

.A QUICK MOVING WEATHER DISTURBANCE WILL SLIDE ACROSS THE AREA
LATE THIS AFTERNOON AND EVENING. LIGHT SNOW ACCUMULATIONS ARE
EXPECTED ALONG WITH SOME BLOWING AND DRIFTING SNOW IN OPEN AREAS.
AS THE SNOW ENDS...WIND CHILL VALUES WILL FALL THROUGH THE
OVERNIGHT HOURS.

WYZ112-114-040400-
/O.EXT.KCYS.WS.W.0005.000000T0000Z-150304T0400Z/
SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING
306 PM MST TUE MAR 3 2015

...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 PM MST THIS
EVENING...

* TIMING...SNOW ENDING THIS EVENING.

* ADDITIONAL SNOW ACCUMULATIONS...1 TO 3 INCHES.

* WINDS/VISIBILITY...NORTH 10 TO 20 MPH WITH GUSTS TO 30 MPH. 
  VISIBILITIES WILL BE REDUCED DUE TO BLOWING SNOW. 

* IMPACTS...TRAVEL WILL REMAIN DIFFICULT. ROADWAYS WILL BE SNOW
  COVERED ALONG WITH AREAS OF LOW VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...
STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE
THE EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE
POISONING.

&&

$$

WYZ101>107-109>111-113-040400-
/O.EXT.KCYS.WW.Y.0008.000000T0000Z-150304T0400Z/
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY-
UPPER NORTH PLATTE RIVER BASIN-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...MUDDY GAP...
MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...
GUERNSEY...RAWLINS...SINCLAIR...HANNA...ARLINGTON...
ELK MOUNTAIN...BAGGS...DIXON...SARATOGA...ENCAMPMENT...RIVERSIDE
306 PM MST TUE MAR 3 2015

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 PM MST THIS
EVENING...

* TIMING...LIGHT SNOW WILL END ACROSS THE AREA BY EARLY THIS
  EVENING.

* ADDITIONAL SNOW ACCUMULATIONS...MAINLY AROUND 1 INCH.

* WINDS/VISIBILITY...NORTH 10 TO 15 WITH GUSTS UP TO 25 MPH.
  VISIBILITIES MAY BE REDUCED AT TIMES.

* IMPACTS...TRAVEL WILL REMAIN DIFFICULT DUE TO ICY ROADWAYS AND 
  BLOWING AND DRIFTING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS.

&&

$$

NEZ002-003-095-096-WYZ108-115>117-040400-
/O.EXT.KCYS.WW.Y.0008.000000T0000Z-150304T0400Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-GOSHEN COUNTY-
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
TORRINGTON...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
306 PM MST TUE MAR 3 2015

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 PM MST THIS
EVENING...

* TIMING...LIGHT SNOW ENDING THIS EVENING. 

* ADDITIONAL SNOW ACCUMULATIONS...MAINLY LESS THAN 1 INCH.

* WINDS/VISIBILITY...NORTH 10 TO 15 MPH WITH GUSTS TO 25 MPH.
  VISIBILITIES MAY BE REDUCED AT TIMES IN FALLING AND BLOWING
  SNOW.

* IMPACTS...TRAVEL WILL BE DIFFICULT DUE TO SNOW COVERED AND 
  SLIPPERY ROADWAYS AS WELL AS REDUCED VISIBILITIES AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS.

&&

$$
698 
WWUS45 KCYS 040139
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
639 PM MST TUE MAR 3 2015

WYZ101-103>105-109-111-113-040245-
/O.CAN.KCYS.WW.Y.0008.000000T0000Z-150304T0400Z/
CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-SOUTHWEST CARBON COUNTY-
UPPER NORTH PLATTE RIVER BASIN-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP...
MEDICINE BOW...RAWLINS...SINCLAIR...HANNA...BAGGS...DIXON...
SARATOGA...ENCAMPMENT...RIVERSIDE
639 PM MST TUE MAR 3 2015

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER
WEATHER ADVISORY AS SNOW ENDS ACROSS SOUTH CENTRAL WYOMING. LIGHT
FLURRIES ARE EXPECTED FOR THE NEXT FEW HOURS BEFORE SKIES BECOMING
MOSTLY CLEAR. VERY COLD WIND CHILLS ARE POSSIBLE LATE TONIGHT.


$$

WYZ112-114-040400-
/O.CON.KCYS.WS.W.0005.000000T0000Z-150304T0400Z/
SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING
639 PM MST TUE MAR 3 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

* TIMING...SNOW ENDING THIS EVENING.

* ADDITIONAL SNOW ACCUMULATIONS...1 TO 3 INCHES.

* WINDS/VISIBILITY...NORTH 10 TO 20 MPH WITH GUSTS TO 30 MPH. 
  VISIBILITIES WILL BE REDUCED DUE TO BLOWING SNOW. 

* IMPACTS...TRAVEL WILL REMAIN DIFFICULT. ROADWAYS WILL BE SNOW 
  COVERED ALONG WITH AREAS OF LOW VISIBILITY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...
STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE
THE EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE
POISONING.

&&

$$

WYZ102-106-107-110-040400-
/O.CON.KCYS.WW.Y.0008.000000T0000Z-150304T0400Z/
NIOBRARA COUNTY-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...LUSK...BORDEAUX...GLENDO...WHEATLAND...
CHUGWATER...GUERNSEY...ARLINGTON...ELK MOUNTAIN
639 PM MST TUE MAR 3 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

* TIMING...LIGHT SNOW WILL END ACROSS THE AREA BY EARLY THIS 
  EVENING. 

* ADDITIONAL SNOW ACCUMULATIONS...MAINLY AROUND 1 INCH.

* WINDS/VISIBILITY...NORTH 10 TO 15 WITH GUSTS UP TO 25 MPH. 
  VISIBILITIES MAY BE REDUCED AT TIMES. 

* IMPACTS...TRAVEL WILL REMAIN DIFFICULT DUE TO ICY ROADWAYS AND 
  BLOWING AND DRIFTING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS.

&&

$$

NEZ002-003-095-096-WYZ108-115>117-040400-
/O.CON.KCYS.WW.Y.0008.000000T0000Z-150304T0400Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-GOSHEN COUNTY-
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
TORRINGTON...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
639 PM MST TUE MAR 3 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

* TIMING...LIGHT SNOW ENDING THIS EVENING.

* ADDITIONAL SNOW ACCUMULATIONS...MAINLY LESS THAN 1 INCH.

* WINDS/VISIBILITY...NORTH 10 TO 15 MPH WITH GUSTS TO 25 MPH. 
  VISIBILITIES MAY BE REDUCED AT TIMES IN FALLING AND BLOWING 
  SNOW. 

* IMPACTS...TRAVEL WILL BE DIFFICULT DUE TO SNOW COVERED AND 
  SLIPPERY ROADWAYS AS WELL AS REDUCED VISIBILITIES AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS.

&&

$$
086 
WWUS45 KCYS 040240
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
740 PM MST TUE MAR 3 2015

NEZ002-003-095-096-WYZ102-106>108-040345-
/O.CAN.KCYS.WW.Y.0008.000000T0000Z-150304T0400Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-NIOBRARA COUNTY-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
LUSK...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...
TORRINGTON
740 PM MST TUE MAR 3 2015

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER
WEATHER ADVISORY AS THE SNOW IS ENDING ACROSS EASTERN WYOMING AND
THE NORTHERN NEBRASKA PANHANDLE. OCCASIONAL LIGHT SNOW FLURRIES
ARE EXPECTED UNTIL MIDNIGHT BEFORE SKIES BECOME MOSTLY CLEAR. VERY
COLD WIND CHILLS ARE POSSIBLE AFTER MIDNIGHT WITH WIND CHILL
VALUES AROUND 20 BELOW ZERO POSSIBLE.

$$

WYZ112-114-040400-
/O.CON.KCYS.WS.W.0005.000000T0000Z-150304T0400Z/
SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING
740 PM MST TUE MAR 3 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

* TIMING...SNOW ENDING THIS EVENING.

* ADDITIONAL SNOW ACCUMULATIONS...1 TO 3 INCHES.

* WINDS/VISIBILITY...NORTH 10 TO 20 MPH WITH GUSTS TO 30 MPH. 
  VISIBILITIES WILL BE REDUCED DUE TO BLOWING SNOW. 

* IMPACTS...TRAVEL WILL REMAIN DIFFICULT. ROADWAYS WILL BE SNOW 
  COVERED ALONG WITH AREAS OF LOW VISIBILITY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. IF YOU BECOME STRANDED IN A RURAL AREA...
STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES. TO KEEP WARM IN YOUR
VEHICLE...RUN YOUR ENGINE 10 MINUTES EACH HOUR...AND MAKE SURE
THE EXHAUST PIPE IS CLEAR OF SNOW TO AVOID CARBON MONOXIDE
POISONING.

&&

$$

WYZ110-040400-
/O.CON.KCYS.WW.Y.0008.000000T0000Z-150304T0400Z/
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN
740 PM MST TUE MAR 3 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

* TIMING...LIGHT SNOW WILL END ACROSS THE AREA BY EARLY THIS 
  EVENING. 

* ADDITIONAL SNOW ACCUMULATIONS...MAINLY AROUND 1 INCH.

* WINDS/VISIBILITY...NORTH 10 TO 15 WITH GUSTS UP TO 25 MPH. 
  VISIBILITIES MAY BE REDUCED AT TIMES. 

* IMPACTS...TRAVEL WILL REMAIN DIFFICULT DUE TO ICY ROADWAYS AND 
  BLOWING AND DRIFTING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS.

&&

$$

WYZ115>117-040400-
/O.CON.KCYS.WW.Y.0008.000000T0000Z-150304T0400Z/
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...LARAMIE...VEDAUWOO...BUFORD...
PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER
740 PM MST TUE MAR 3 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

* TIMING...LIGHT SNOW ENDING THIS EVENING.

* ADDITIONAL SNOW ACCUMULATIONS...MAINLY LESS THAN 1 INCH.

* WINDS/VISIBILITY...NORTH 10 TO 15 MPH WITH GUSTS TO 25 MPH. 
  VISIBILITIES MAY BE REDUCED AT TIMES IN FALLING AND BLOWING 
  SNOW. 

* IMPACTS...TRAVEL WILL BE DIFFICULT DUE TO SNOW COVERED AND 
  SLIPPERY ROADWAYS AS WELL AS REDUCED VISIBILITIES AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS.

&&

$$
124 
WWUS45 KCYS 040336
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
836 PM MST TUE MAR 3 2015

WYZ112-114-040445-
/O.EXP.KCYS.WS.W.0005.000000T0000Z-150304T0400Z/
SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING
836 PM MST TUE MAR 3 2015

...WINTER STORM WARNING WILL EXPIRE AT 9 PM MST THIS EVENING...

SNOWFALL HAS TAPERED TO FLURRIES LATE THIS EVENING WITH LITTLE OR
NO ADDITIONAL SNOW ACCUMULATION EXPECTED. THEREFORE...THE WINTER
STORM WARNING WILL BE ALLOWED TO EXPIRE AT 9 PM. 

$$

WYZ110-040445-
/O.EXP.KCYS.WW.Y.0008.000000T0000Z-150304T0400Z/
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN
836 PM MST TUE MAR 3 2015

...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 PM MST THIS EVENING...

SNOWFALL HAS TAPERED TO FLURRIES LATE THIS EVENING WITH LITTLE OR
NO ADDITIONAL SNOW ACCUMULATION EXPECTED. THEREFORE...THE WINTER
WEATHER ADVISORY WILL BE ALLOWED TO EXPIRE AT 9 PM.

$$

WYZ115>117-040445-
/O.EXP.KCYS.WW.Y.0008.000000T0000Z-150304T0400Z/
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...LARAMIE...VEDAUWOO...BUFORD...
PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER
836 PM MST TUE MAR 3 2015

...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 PM MST THIS EVENING...

SNOWFALL HAS STARTED TO DIMINISH LATE THIS EVENING.
HOWEVER...PERIODS OF LIGHT SNOW ARE EXPECTED THROUGH MIDNIGHT AND
INTO EARLY WEDNESDAY MORNING. ADDITIONAL SNOW ACCUMULATIONS UP TO
ONE INCH ARE POSSIBLE FOR THE REST OF TONIGHT. 

$$

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before this winter storm warning went out at Mar 1, 10:54 AM MST, 3 hours 37 minutes earlier.

Area forecast discussion, Mar 1, 10:54 AM MST, 3 hours 37 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
1054 AM MST SUN MAR 1 2015

.UPDATE...
ISSUED AT 1055 AM MST SUN MAR 1 2015

NO CHANGES TO THE FORECAST TODAY. MAIN FOCUS REMAINS ON THE STORM
SYSTEM WHICH WILL MOVE ACROSS THE AREA TOMORROW AND TOMORROW
NIGHT. MODELS NOT IN GREAT AGREEMENT WITH WHERE THE HEAVIEST SNOW
WILL FALL...BUT THERE IS GENERAL CONSENSUS POINTS TO SOUTH
CENTRAL WYOMING. CURRENT WATER VAPOR AND RADAR OVER THE SOUTHWEST
CONUS SHOWING MOISTURE STREAMING NORTHEASTWARD FROM ARIZONA. SEEMS
REASONABLE THERE WILL BE WIDESPREAD SNOW ACROSS THE ENTIRE AREA BY
MONDAY NIGHT AS AN UPPER LEVEL DISTURBANCE MOVES FROM THE CENTRAL
ROCKIES INTO THE NORTHERN PLAINS.

&&

.SHORT TERM...(TODAY THROUGH TUESDAY)
ISSUED AT 400 AM MST SUN MAR 1 2015

LATEST GOES WATER VAPOR IMAGERY SHOWED THE SPLIT CLOSED UPPER LOW
SLOWLY SINKING SOUTHEAST ALONG THE CENTRAL CA COAST. THE BASE OF
THE NORTHERN STREAM TROUGH WAS MOVING EAST ACROSS THE DAKOTAS. A
DEFORMATION ZONE STRETCHED NORTHEAST TO SOUTHWEST FROM WESTERN NE
ACROSS NORTHERN CO. NARROW BAND OF UPPER LIFT COMBINED WITH MOISTURE
AND WEAK UPSLOPE RESULTED IN AN AREA OF LIGHT SNOW OVER PORTIONS
OF SOUTHEAST WY AND WESTERN NE. HRRR MODEL PROGS THIS AREA TO WEAKEN
AS IT MOVES FURTHER EAST THROUGH DAYBREAK. TEMPERATURES WERE IN THE
SINGLE DIGITS AND TEENS WITH LIGHT WINDS.

FORECAST CONCERNS DURING THE SHORT TERM WILL FOCUS ON THE DEVELOPING
WINTER STORM AND ITS IMPACTS ON OUR AREA...PARTICULARLY FROM LATE
TONIGHT THROUGH TUESDAY. CLOSED UPPER LOW NEAR SOUTHERN CA COAST
GRADUALLY OPENS UP AND EJECTS NORTHEAST AS ANOTHER SHORTWAVE DROPS
SOUTH ALONG THE CA COAST DURING THE NEXT 24 TO 48 HOURS. THE MODEL
CONSENSUS PROGS A LOW PRESSURE SYSTEM TO FORM NEAR THE FOUR CORNERS
REGION AND TRACK NORTHEAST ACROSS COLORADO. LIGHT SNOW REDEVELOPS
LATER TODAY OVER THE SOUTHERN MOUNTAINS AND BECOMES MORE WIDESPREAD
AND HEAVIER LATE TONIGHT INTO MONDAY. THE GFS IS SLIGHTLY DEEPER
AND FASTER THAN THE ECMWF WITH REGARDS TO THE SURFACE LOW AND ITS
MOTION. THEY ARE SIMILAR WITH THE EASTWARD TRACK OF THE LOW INTO
THE CENTRAL PLAINS EARLY TUESDAY MORNING. THEY ALSO AGREE WITH THE
ARCTIC COLD FRONTAL PASSAGE DURING THIS TIME PERIOD. WINDS SHIFT
TO NORTHERLY AND BECOME GUSTY TUESDAY. SNOW WILL BE WIDESPREAD
OVER THE CWA MONDAY NIGHT AND TUESDAY. THE COMBINATION OF FALLING
AND BLOWING SNOW WILL RESULT IN HAZARDOUS TRAVEL WEST OF THE
LARAMIE RANGE...ESPECIALLY MONDAY THROUGH TUESDAY. LATEST WPC
GUIDANCE PROGS 1-2 FT OF SNOW FOR THE SNOWY/SIERRA MADRE RANGES
WITH UP TO A FOOT FOR THE NEARBY VALLEYS. ISSUED A WINTER STORM
WATCH FOR WY ZONES 111-114 LATE TONIGHT THROUGH LATE TUESDAY NIGHT
FOR THE POTENTIAL OF HEAVY SNOW. FURTHER NORTH AND EAST...WE'RE
LOOKING AT ADVISORY ACCUMULATIONS...GENERALLY 4-8 INCHES. THE
SOUTHERN LARAMIE RANGE COULD GET CLOSE TO A FOOT AS WELL. THE NEXT
SHIFT MAY UPGRADE AND/OR EXTEND THE WINTER HEADLINES AFTER LOOKING
AT THE 12Z/18Z MODEL GUIDANCE.

HIGHS TODAY WILL BE SIMILAR TO SATURDAY WITH MOSTLY UPPER TEENS TO
UPPER 20S. LOWS TONIGHT AND MONDAY NIGHT WILL AVERAGE IN THE TEENS.
MONDAY WILL BE MILDER WITH SOUTHWESTERLY WINDS. EXPECT HIGHS IN THE
30S TO AROUND 40. TEMPERATURES TUESDAY WILL NOT RISE MUCH FROM THE
EARLY MORNING LOWS...AND WILL BE FALLING THROUGH THE DAY IN THE
WAKE OF THE COLD FRONTAL PASSAGE.

.LONG TERM...(TUESDAY NIGHT THROUGH SATURDAY)
ISSUED AT 330 AM MST SUN MAR 1 2015

THE MAIN CHALLENGE IN THE EXTENDED WILL BE TEMPERATURE TRENDS AS WE
STILL ANTICIPATE A BAND OF NEW SNOWPACK SOMEWHERE IN THE CWA. GFS/EC
BOTH SHOW A SECONDARY SHORTWAVE DIVING ACROSS WY BETWEEN 00Z AND 12Z
WED. MODEST PVA SHOULD BE ENOUGH FOR SNOW SHOWERS TO LINGER INTO WED
MORNING OR PERHAPS EARLY AFTERNOON. MEDIUM RANGE 700-300 MILLIBAR RH
PROGS SUGGEST A DRYING COLUMN BY THIS TIME...SO EXPECT LESS THAN AN
INCH OF ADDITIONAL ACCUMULATION OVER THE LOWER ELEVATIONS AFTER 00Z
WED. TEMPERATURES WILL BE TRICKY ON TUE NIGHT AS CLOUDS WILL PREVENT
SIGNIFICANT RADIATIONAL COOLING. HOWEVER...MODELS AGREE WITH STRONG
LOW LEVEL COLD ADVECTION PUSHING H7 TEMPS AS LOW AS -20 DEG C BY 12Z
WED PER THE EURO. GIVEN AN AIR MASS THIS COLD...CONFIDENCE IS FAIRLY
HIGH THAT MANY AREAS WILL BE BELOW ZERO FOR LOWS. DID NOT STRAY TOO
FAR AWAY FROM GUIDANCE THOUGH. COOLEST TEMPERATURES ON WED SHOULD BE
FOUND OVER THE MOST SUBSTANTIAL SNOWPACK. GUIDANCE SUGGESTS THE BEST
CHANCE FOR LOW-ELEVATION SIGNIFICANT SNOWFALL EARLY IN THE WEEK WILL
BE WEST OF THE LARAMIE RANGE...SO UNDERCUT MOS BY SEVERAL DEGREES IN
THOSE AREAS. KEPT HIGHS BELOW GUIDANCE ACROSS THE BOARD WITH MUCH OF
THE AREA LIKELY TO RECEIVE ACCUMULATING SNOW IN THE SHORT TERM.

IMPROVING TEMPERATURES LATER IN THE WEEK AS UPPER-LEVEL RIDGING AND
LOW LEVEL DOWNSLOPE RETURN TO THE REGION. A BACK DOOR COLD FRONT IS
PROGGED TO SINK SOUTHWARD ON FRI AFTERNOON...POSSIBLY HAVING A SMALL
IMPACT ON HIGHS WITH COLD ADVECTION ALOFT. CANNOT RULE OUT ISOLATED
RAIN OR SNOW SHOWERS ON FRI NIGHT OR SAT MORNING WITH THE ARRIVAL OF
BETTER MID LEVEL SUPPORT. HOWEVER...KEPT THE FORECAST DRY FOR NOW AS
THIS SYSTEM LOOKS TO BE A BIT MOISTURE STARVED. STILL EXPECT A WINDY
PERIOD FROM WED NIGHT THROUGH FRI OVER THE WIND PRONE AREAS. THE GFS
HAS BEEN CONSISTENT WITH A STRONG H85 CAG-CPR GRADIENT IN EXCESS OF
60 METERS AND 45 TO 50 KT FLOW OVER ARL AND BRX AT H75 THROUGH MUCH
OF THAT TIME PERIOD.

&&

.AVIATION...(FOR THE 18Z TAFS THROUGH MONDAY MORNING)

SNOW SHOWERS WILL CONTINUE TO DIMINISH THIS MORNING WITH GENERALLY
MVFR CONDITIONS PREVAILING ALONG I80...AND VFR FURTHER NORTH
ACROSS WESTERN NEBRASKA. A WARM FRONT WILL SLOWLY MOVE NORTHWARD
ACROSS THE AREA TONIGHT...BRINGING ANOTHER ROUND OF SNOW TO AREAS
ALONG I80. LOW MVFR TO IFR CIGS/VSBYS ARE LIKELY AFTER 06Z TONIGHT.
WINDS WILL GENERALLY BE LIGHT THROUGH THE TAF PERIOD BUT WILL
INCREASE OUT OF THE SOUTH LATE TONIGHT AND INTO EARLY MONDAY
MORNING.

&&

.FIRE WEATHER...
ISSUED AT 321 AM MST SUN MAR 1 2015

A WEAK UPPER LEVEL DISTURBANCE WILL PRODUCE LIGHT SNOW EARLY THIS
MORNING OVER FAR SOUTHEAST WYOMING AND SOUTHERN NEBRASKA PANHANDLE.
A LOW PRESSURE SYSTEM AND ASSOCIATED UPPER LEVEL TROUGH WILL APPROACH
FROM THE SOUTHWEST TONIGHT AND MONDAY...AND MOVE ACROSS THE CENTRAL
ROCKIES MONDAY NIGHT AND TUESDAY. SNOW WILL DEVELOP TONIGHT ACROSS
SOUTH CENTRAL WYOMING AND BECOME MORE WIDESPREAD MONDAY AND MONDAY
NIGHT. THE SNOW WILL BE HEAVY AT TIMES...ESPECIALLY OVER THE HIGHER
TERRAIN. THE SNOW WILL TAPER OFF TUESDAY NIGHT. A ARCTIC COLD FRONT
WILL PLUNGE SOUTH THROUGH THE DISTRICT MONDAY NIGHT. BITTERLY COLD
TEMPERATURES AND WIND CHILLS WILL PREVAIL TUESDAY THROUGH WEDNESDAY
BEFORE GRADUALLY MODERATING TEMPERATURES LATE IN THE WEEK.

&&

.CYS WATCHES/WARNINGS/ADVISORIES...
WY...WINTER STORM WATCH FROM LATE TONIGHT THROUGH LATE TUESDAY NIGHT
     FOR WYZ111>114.

NE...NONE.
&&

UPDATE...SML
SHORT TERM...MAJ
LONG TERM...CLH
AVIATION...TJT
FIRE WEATHER...MAJ
Hazardous weather outlook, Mar 1, 4:59 AM MST, 9 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
459 AM MST SUN MAR 1 2015

NEZ002-003-019>021-054-055-095-096-WYZ101>110-115>119-021200-
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS-
NIOBRARA COUNTY-NORTH LARAMIE RANGE-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
459 AM MST SUN MAR 1 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN
NEBRASKA...EAST CENTRAL WYOMING...SOUTH CENTRAL WYOMING AND
SOUTHEAST WYOMING.

.DAY ONE...TODAY AND TONIGHT

LIGHT SNOW IS EXPECTED TO REDEVELOP ALONG AND SOUTH OF INTERSTATE
80 THIS EVENING AND OVERNIGHT. ACCUMULATIONS WILL BE MINIMAL.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A STRONG STORM SYSTEM WILL BRING WIDESPREAD ACCUMULATING SNOW TO
MUCH OF THE AREA ON MONDAY AND TUESDAY. SNOWFALL AMOUNTS IN THE
LOWER ELEVATIONS REMAIN UNCERTAIN AT THIS TIME...BUT MOST AREAS
ACROSS SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE COULD
SEE SEVERAL INCHES OF SNOW. TRAVEL COULD BE SEVERELY IMPACTED.

BITTERLY COLD TEMPERATURES WILL FOLLOW THE SNOW WITH LOWS FALLING
BELOW ZERO ON TUESDAY NIGHT. DANGEROUS WIND CHILLS BETWEEN MINUS
20 AND MINUS 30 ARE POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

WYZ111>114-021200-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
459 AM MST SUN MAR 1 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
WYOMING.

.DAY ONE...TODAY AND TONIGHT

PERIODS OF SNOW CAN BE EXPECTED IN THE SNOWY AND SIERRA MADRE
MOUNTAIN RANGES TODAY. DAYTIME ACCUMULATIONS WILL BE LIGHT.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

MOUNTAIN SNOW WILL INCREASE IN COVERAGE AND INTENSITY EARLY ON
MONDAY MORNING AND PERSIST THROUGH TUESDAY NIGHT. SIGNIFICANT
SNOWFALL ACCUMULATIONS ARE POSSIBLE IN THE SNOWY AND SIERRA MADRE
MOUNTAIN RANGES AND ADJACENT VALLEYS. TRAVEL IN THESE AREAS COULD
BE SEVERELY IMPACTED. A WINTER STORM WATCH IS IN EFFECT FOR THOSE
AREAS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

HAMMER

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 1, 2:53 AM MSTWinter Storm WatchCYSAlbany, Carbon12 hr
Mar 1, 2:31 PM MSTWinter Storm WatchCYSAlbany, Carbon13 hr

Nearby

Winter Storm Warnings in Wyoming, 2015Every winter storm warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.